About the product
Purpose-built storage for your smart video solution
The WD Purple™ Pro HDD, with OptiNAND™ technology in 22TB, delivers big capacity in an enterprise-class drive for video analytics servers, AI, and deep learning systems to enable data-driven outcomes.
Western Digital's exclusive AllFrame™ AI technology
AllFrame AI technology supports up to 32 AI streams for deep learning analytics within the system while reducing frame drops.
Multiple cameras, multiple streams
WD Purple™ Pro drives are optimized to handle up to 64 single-stream HD cameras in addition to 32 concurrent AI streams. This flexibility allows you to easily upgrade and scale your smart video solution to meet your changing needs.
Advanced workload capability for advanced systems
These reliable drives are built with a workload rating up to 550TB/year to keep up with the 24/7 data capture and analysis demands of advanced AI-enabled recorders, video analytics appliances, and deep learning analytics servers.
Proactive storage management with WDDA™
Western Digital Device Analytics™ (WDDA) provides drive health management features for compatible recorders and video management systems.
- Experience rapid processing speed with 512 MB cache buffer
- Have data stored faster with SATA/600 interface that optimizes burst performance
- With 22 TB capacity you have ample space for storing millions of images, hundreds of hours of video or for music lovers, up to a million songs
Technical Specifications
| Network & Communication | |
| Wireless LAN | No |
| Drive Performance | |
| Buffer | 512 MB |
| Spindle Speed (rpm) | 7200 |
| Interfaces/Ports | |
| Drive Interface | SATA |
| Drive Interface Standard | SATA/600 |
| Technical Information | |
| Storage Capacity | 22 TB |
| Recording Technology | Conventional Magnetic Recording (CMR) |
| Miscellaneous | |
| Device Supported | Server |
| Storage System | |
| Video Surveillance System | |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Physical Characteristics | |
| Weight (Approximate) | 1.48 lb (670 g) |
| Drive Type | Internal |
| Durability | Tarnish Resistant |
| Form Factor | 3.5" |
| Length | 5.79" (147 mm) |
| Height | 1.03" (26.10 mm) |
| Width | 4" (101.60 mm) |
| General Information | |
| Product Type | Hard Drive |
| Manufacturer Part Number | WD221PURP |
| Manufacturer Website Address | http://www.westerndigital.com |
| Manufacturer | Western Digital Corporation |
| Product Model | WD221PURP |
| Product Name | Purple Pro Smart Video Hard Drive |
| Product Line | Purple Pro |
| Brand Name | WD |
